How to express mathematically the random shuffaling of matrix columns?

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How to express mathematically the random shuffaling of matrix columns - say turning $[1, 2, 3]$ into $[3,1,2]$ ?







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  • This is a permutation.
    – Sean Roberson
    Aug 13 at 3:41






  • 1




    Multiply on the right by a permutation matrix.
    – Robert Israel
    Aug 13 at 3:43










  • They're elements of $S_3$.
    – Anik Bhowmick
    Aug 13 at 4:27














up vote
0
down vote

favorite












How to express mathematically the random shuffaling of matrix columns - say turning $[1, 2, 3]$ into $[3,1,2]$ ?







share|cite|improve this question




















  • This is a permutation.
    – Sean Roberson
    Aug 13 at 3:41






  • 1




    Multiply on the right by a permutation matrix.
    – Robert Israel
    Aug 13 at 3:43










  • They're elements of $S_3$.
    – Anik Bhowmick
    Aug 13 at 4:27












up vote
0
down vote

favorite









up vote
0
down vote

favorite











How to express mathematically the random shuffaling of matrix columns - say turning $[1, 2, 3]$ into $[3,1,2]$ ?







share|cite|improve this question












How to express mathematically the random shuffaling of matrix columns - say turning $[1, 2, 3]$ into $[3,1,2]$ ?









share|cite|improve this question











share|cite|improve this question




share|cite|improve this question










asked Aug 13 at 3:36









DuckQueen

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  • This is a permutation.
    – Sean Roberson
    Aug 13 at 3:41






  • 1




    Multiply on the right by a permutation matrix.
    – Robert Israel
    Aug 13 at 3:43










  • They're elements of $S_3$.
    – Anik Bhowmick
    Aug 13 at 4:27
















  • This is a permutation.
    – Sean Roberson
    Aug 13 at 3:41






  • 1




    Multiply on the right by a permutation matrix.
    – Robert Israel
    Aug 13 at 3:43










  • They're elements of $S_3$.
    – Anik Bhowmick
    Aug 13 at 4:27















This is a permutation.
– Sean Roberson
Aug 13 at 3:41




This is a permutation.
– Sean Roberson
Aug 13 at 3:41




1




1




Multiply on the right by a permutation matrix.
– Robert Israel
Aug 13 at 3:43




Multiply on the right by a permutation matrix.
– Robert Israel
Aug 13 at 3:43












They're elements of $S_3$.
– Anik Bhowmick
Aug 13 at 4:27




They're elements of $S_3$.
– Anik Bhowmick
Aug 13 at 4:27















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